Quantitative Aptitude - Arithmetic Ability Questions

A box of sweets was distributed between A and B in the ratio 3 :4. If A got 36 sweets , what was the total no.of sweets

(242699 + 167109) ÷ (9946 –9446) = ?

The sum of a fraction and 10 times its reciprocal is 37/4. What is the fraction?

a% of b + b% of a = ______

In an ornament the ratio of gold and copper is 3:2. The percentage of gold in the ornament is:

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

A student multiplied a number by 6/7 instead of 7/6. What is the percentage error in the calculation?

If a2+b2+c2=83and a+b+c=15 then the value of ab+bc+ca is